President Obama on Monday invited Mexico to join Trans-Pacific Partnership negotiations, significantly expanding the potential scope of the far-ranging agreement between nations in North America, South America, Asia, and Oceania. Mexico first indicated it could join TPP negotiations in November at an APEC summit in Honolulu. Current TPP members are Australia, Brunei Darussalam, Chile, Malaysia, New Zealand, Peru, Singapore, Vietnam, and the United States. The pact seek...